Conference paper Open Access

Determination And Evaluation Of Structural Remaining Substance Of Asphalt Roads - Asphalt Analysis

Sebastian Lipke

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        <foaf:name>Sebastian Lipke</foaf:name>
    <dct:title>Determination And Evaluation Of Structural Remaining Substance Of Asphalt Roads - Asphalt Analysis</dct:title>
    <dct:issued rdf:datatype="">2018</dct:issued>
    <dcat:keyword>Remaining Substance; asphalt pavement; asphalt properties (stiffness, fatigue); analytical design</dcat:keyword>
    <dct:issued rdf:datatype="">2018-04-16</dct:issued>
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    <dct:description>&lt;p&gt;Especially in Germany in the future road construction will be shaped less by the new construction but rather through&lt;br&gt; the maintenance and renewal. Because the existing road substance is used up in growing ever stronger and quicker&lt;br&gt; measure. With reference to the steadily rising traffic load and for a qualified maintenance planning the knowledge of&lt;br&gt; the real structural condition of an asphalt pavement gets more and more important. The present paper presents an&lt;br&gt; approach that forecasts the remaining service life of an asphalt pavement on the basis of asphalt parameters&lt;br&gt; determined by laboratory tests. Therefore asphalt samples were taken from existing asphalt pavements which are&lt;br&gt; already bearing many years of traffic load and their specific asphalt properties such as stiffness and fatigue&lt;br&gt; resistance were determined by tests. The asphalt material properties of an asphalt road for several cross-sections (all&lt;br&gt; required cores about a length of 10m) and several sections (required cores with a distance between 100m and 150m&lt;br&gt; to each other) are determined and evaluated. Likewise, the volumetric properties of the asphalts and the material&lt;br&gt; properties from the individual components in the asphalt mix are considered in the analysis and evaluation. With&lt;br&gt; these results of the asphalt studies in the laboratory together with a forecasting method based on the analytical&lt;br&gt; design of asphalt pavements the possibility exists to give statements to the expected remaining service life of asphalt&lt;br&gt; pavements.&lt;/p&gt;</dct:description>
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